was two different sites. now the swelling is separate from the bruise, yes, but they are one injury. >> presuming that the bruising on state's exhibit 69 and 70, that the bruising that we see matches up in the jury's mind with that point of swelling, correct? >> correct. >> you're making it -- >> okay. >> in your opinion -- >> well, you can see it. >> okay. and the jury will of course make that determination, right? >> correct. >> then there could be -- how many maximum times could the back of the head have been hit on the cement. >> you said two is possible. >> three or four? >> with no injuries, yes.